A review of natural immunity, vaccines, and variants in SARS-CoV-2 reinfection

A review of natural immunity, vaccines, and variants in SARS-CoV-2 reinfection

The coronavirus disease 2019 (COVID-19) pandemic is an ongoing global health issue caused by the novel coronavirus severe acute respiratory syndrome-coronavirus-2 (SARS-CoV-2). Many rigorous studies have been conducted to understand the pathogenesis and transmissibility of SARS-CoV-2. Despite all these efforts, many areas are still unexplored, such as SARS-CoV-2 reinfection and reactivation. More comprehensive studies are required to evaluate the possibility of reinfection and its potential risk factors. Literature review on COVID-19 reinfection In a literature review article published in the Journal of Community Hospital Internal Medicine Perspectives, authors from the US performed a thorough investigation of previous studies and case reports of SARS-CoV-2 reinfection. This review discusses the role of natural immunity, vaccines, and SARS-CoV-2 variants in reinfection. Definition of reinfection According to the Centers for Disease Control (CDC), reinfection …
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